FR2446468B1 - - Google Patents

Info

Publication number
FR2446468B1
FR2446468B1 FR7900421A FR7900421A FR2446468B1 FR 2446468 B1 FR2446468 B1 FR 2446468B1 FR 7900421 A FR7900421 A FR 7900421A FR 7900421 A FR7900421 A FR 7900421A FR 2446468 B1 FR2446468 B1 FR 2446468B1
Authority
FR
Grant status
Grant
Patent type
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
FR7900421A
Other versions
FR2446468A1 (en )
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Thales SA
Original Assignee
Thales SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Grant date

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41GWEAPON SIGHTS; AIMING
    • F41G7/00Direction control systems for self-propelled missiles
    • F41G7/20Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22Homing guidance systems
    • F41G7/2273Homing guidance systems characterised by the type of waves
    • F41G7/2293Homing guidance systems characterised by the type of waves using electromagnetic waves other than radio waves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41GWEAPON SIGHTS; AIMING
    • F41G7/00Direction control systems for self-propelled missiles
    • F41G7/20Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22Homing guidance systems
    • F41G7/2213Homing guidance systems maintaining the axis of an orientable seeking head pointed at the target, e.g. target seeking gyro
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F41WEAPONS
    • F41GWEAPON SIGHTS; AIMING
    • F41G7/00Direction control systems for self-propelled missiles
    • F41G7/20Direction control systems for self-propelled missiles based on continuous observation of target position
    • F41G7/22Homing guidance systems
    • F41G7/2253Passive homing systems, i.e. comprising a receiver and do not requiring an active illumination of the target
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/78Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using electromagnetic waves other than radio waves
    • G01S3/782Systems for determining direction or deviation from predetermined direction
    • G01S3/785Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system
    • G01S3/786Systems for determining direction or deviation from predetermined direction using adjustment of orientation of directivity characteristics of a detector or detector system to give a desired condition of signal derived from that detector or detector system the desired condition being maintained automatically, i.e. tracking systems
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B23/00Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
    • G02B23/12Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices with means for image conversion or intensification
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/005Diaphragms
    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05DSYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D25/00Control of light, e.g. intensity, colour, phase
    • G05D25/02Control of light, e.g. intensity, colour, phase characterised by the use of electric means
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/222Studio circuitry; Studio devices; Studio equipment ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, TV cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/225Television cameras ; Cameras comprising an electronic image sensor, e.g. digital cameras, video cameras, video cameras, camcorders, webcams, camera modules for embedding in other devices, e.g. mobile phones, computers or vehicles
    • H04N5/235Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor
    • H04N5/238Circuitry or methods for compensating for variation in the brightness of the object, e.g. based on electric image signals provided by an electronic image sensor by influencing the optical part of the camera, e.g. diaphragm, intensifier, fibre bundle
FR7900421A 1979-01-09 1979-01-09 Expired FR2446468B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7900421A FR2446468B1 (en) 1979-01-09 1979-01-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7900421A FR2446468B1 (en) 1979-01-09 1979-01-09

Publications (2)

Publication Number Publication Date
FR2446468A1 true FR2446468A1 (en) 1980-08-08
FR2446468B1 true FR2446468B1 (en) 1982-01-08

Family

ID=9220564

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7900421A Expired FR2446468B1 (en) 1979-01-09 1979-01-09

Country Status (1)

Country Link
FR (1) FR2446468B1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2473237B1 (en) * 1980-01-04 1985-01-18 Thomson Csf
FR2492516B1 (en) * 1980-10-21 1985-09-20 Thomson Csf A video imaging device, in particular for homing
US4431917A (en) * 1981-11-27 1984-02-14 Texas Instruments Incorporated Compact, high cold shield efficiency optical system
FR2661583B1 (en) * 1983-10-25 1994-01-07 Thomson Csf Opto-electronic system for video image analysis obtained by scanning a detector array.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3555181A (en) * 1968-06-05 1971-01-12 Bell Telephone Labor Inc Automatic video level control employing iris and amplifier gain adjustments
JPS4980252U (en) * 1972-10-28 1974-07-11
FR2352318B1 (en) * 1976-05-21 1979-10-12 Angenieux P Ets

Also Published As

Publication number Publication date Type
FR2446468A1 (en) 1980-08-08 application

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Legal Events

Date Code Title Description
ST Notification of lapse